Home / 79,251.41-109,378.13-49,046.46

Finding the Fourth Proportional to 79,251.41, 109,378.13 and 49,046.46

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Solution

The fourth proportional to 79,251.41, 109,378.13 and 49,046.46 is: 67,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,251.41 : 109,378.13 = 49,046.46 : x
  2. Step 2: Convert to fraction form
    79,251.41/109,378.13 = 49,046.46/x
  3. Step 3: Cross multiply
    79,251.41x = 109,378.13 × 49,046.46
  4. Step 4: Simplify right side
    79,251.41x = 5,364,609,606.44
  5. Step 5: Solve for x
    x = 5,364,609,606.44/79,251.41
  6. Step 6: Final answer
    x = 67,691.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.